MP4, MP3, M4A, WAV, FLAC or Opus: which format should you choose?
Compare MP4, MP3, M4A, WAV, FLAC and Opus to choose the right format, resolution and bitrate for any device.
Video and audio guides
Clear, practical explanations for choosing a format, preserving quality and handling public media responsibly.
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How to download video online safely: quality, formats and troubleshooting
A complete guide to downloading authorized public video, choosing quality, avoiding fake buttons and solving common conversion errors.
Understand the file before you convert
This library provides practical guidance for choosing an appropriate file, judging the quality that is genuinely available and fixing common playback problems. Each guide separates what conversion can preserve from detail it cannot recreate.
Choose a format for the intended use
MP4 keeps the picture and is the most broadly compatible choice for video. MP3 is useful when only sound is needed, while M4A and Opus prioritize efficiency. WAV and FLAC are better suited to editing or archiving and usually create larger files.
The right option depends on the target device, available storage and whether the picture matters. Our comparisons also explain containers, codecs, resolution and bitrate so that a renamed extension is never mistaken for a real conversion.
Judge quality without inflated promises
A 1080p output contains true 1080p detail only when the public source supplies that resolution. Likewise, encoding weak audio at 320 kbps increases the output bitrate but cannot restore frequencies already lost. The guides help you select a sensible ceiling instead of automatically choosing the largest number.
We cover H.264/AAC compatibility, useful bitrates for speech and music, and the final-file checks that identify the actual streams. This makes it easier to understand why two downloads with the same extension may behave differently on a phone, computer or television.
Download responsibly and troubleshoot failures
The methods apply to public media you created or are permitted to keep. They do not unlock private accounts, bypass subscriptions or recover deleted posts. A source link that opens without signing in is the most reliable starting point.
When a job fails, check the original post URL, public visibility, whether a live stream has ended and whether a story has expired. The safety guide also explains how to identify the real download control and avoid unnecessary software, notification prompts or requests for account credentials.
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Download and convert public YouTube, TikTok, Instagram, Facebook, X, Rumble and Threads videos to MP3, MP4, M4A, WAV, AAC, FLAC or OPUS.